*{
    margin:0;
    padding:0;
}
.header{
    padding: 10px;
    overflow: hidden;
}
.header img{
    width: 150px;
    float: left;
    margin-left: 100px;
}
.header .nav{
    float: right;
    margin-right: 100px;
}
.nav li{
    list-style: none;
    float: left;
}
.nav li a{
    text-decoration: none;
    margin-left: 10px;
    font-size: 13px;
    color: #666;
    line-height: 42px;
}
.banner{
    height: 340px;
    background: url(../images/aboutus_banner.jpg) no-repeat center;
}
.container{
    width: 1110px;
    /* border: 1px solid #666; */
    margin:0 auto;
    margin-top: 40px;
    margin-bottom: 20px;
}
.title>p{
    text-align: center;
    font-size: 20px;
}
.title{
    overflow: hidden;
    margin-bottom: 40px;
}
.title div{
    float: left;
    margin-top: 28px;
    margin-left: 49px;
}
.title div img{
    width: 70px;
    margin-left: 75px;
}
.title div p{
    text-align: center;
    font-size: 14px;
    color: #666;
    margin-top: 10px;
}
.title div .title1{
    font-size: 20px;
    color: green;
}
.title .pinzhi img{
    margin-left: 65px;
}
.headeline{
    width: 115px;
    height: 40px;
    background-color: green;
    color: white;
    font-size: 18px;
    line-height: 40px;
    text-align: center;
    border-top-left-radius: 15px;
    border-bottom-right-radius: 15px;
}
.line{
    border-bottom: 1px solid green;
    margin-bottom: 25px;
}
.photos{
    overflow: hidden;
}
.photos div{
    width: 350px;
    height: 270px;
    float: left;
    margin-bottom: 30px;
}
.photos div img{
    width: 100%;
    height: 100%;
}
.photos div:not(:nth-child(3n+3)){
    margin-right: 30px;
}
.footer{
    height: 150px;
    background-color: rgb(216, 215, 215);
    padding: 20px 228px;
    box-sizing: border-box;
    position: relative;
    color: #666;
    font-size: 14px;
}
.footer::after{
    content: "";
    display: table;
    clear: both;
}
.footer>img{
    float: left;
    margin-top: 30px;
}
.footer>span{
    float: left;
    margin-top: 52px;
    margin-left: 93px;
}
.footer p{
    margin-top: 76px;
    margin-left: 244px;
}
.footer ul {
    float: right;
    position: absolute;
    top: 39px;
    right: 228px;
}
.footer ul li{
    list-style: none;
    margin-bottom: 10px;
}
